Home / 7,819.85-11,743.77-7,194.04

Finding the Fourth Proportional to 7,819.85, 11,743.77 and 7,194.04

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Solution

The fourth proportional to 7,819.85, 11,743.77 and 7,194.04 is: 10,803.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819.85 : 11,743.77 = 7,194.04 : x
  2. Step 2: Convert to fraction form
    7,819.85/11,743.77 = 7,194.04/x
  3. Step 3: Cross multiply
    7,819.85x = 11,743.77 × 7,194.04
  4. Step 4: Simplify right side
    7,819.85x = 84,485,151.13
  5. Step 5: Solve for x
    x = 84,485,151.13/7,819.85
  6. Step 6: Final answer
    x = 10,803.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.